const JavaScriptObfuscator = require('javascript-obfuscator'); const fs = require('fs'); const path = require('path'); const crypto = require('crypto'); const heavyConfig = { compact: true, controlFlowFlattening: true, controlFlowFlatteningThreshold: 1, deadCodeInjection: true, deadCodeInjectionThreshold: 1, debugProtection: false, disableConsoleOutput: false, identifierNamesGenerator: 'hexadecimal', log: false, numbersToExpressions: true, renameGlobals: false, selfDefending: false, simplify: true, splitStrings: true, splitStringsChunkLength: 5, stringArray: true, stringArrayCallsTransform: true, stringArrayCallsTransformThreshold: 1, stringArrayEncoding: ['rc4'], stringArrayIndexShift: true, stringArrayRotate: true, stringArrayShuffle: true, stringArrayWrappersCount: 5, stringArrayWrappersChainedCalls: true, stringArrayWrappersParametersMaxCount: 5, stringArrayWrappersType: 'function', stringArrayThreshold: 1, transformObjectKeys: true, unicodeEscapeSequence: true }; const browserConfig = { ...heavyConfig, target: 'browser', selfDefending: true, debugProtection: true, debugProtectionInterval: 2000 }; const nodeConfig = { ...heavyConfig, target: 'node', selfDefending: false, debugProtection: false }; const GAP = '\n'.repeat(1000); function obfuscateFile(inputPath, outputPath, config) { const code = fs.readFileSync(inputPath, 'utf8'); const result = JavaScriptObfuscator.obfuscate(code, config); fs.writeFileSync(outputPath, GAP + result.getObfuscatedCode()); const origSize = Buffer.byteLength(code); const obfSize = Buffer.byteLength(result.getObfuscatedCode()); console.log(` ${path.basename(inputPath)}: ${origSize} -> ${obfSize} bytes (${Math.round(obfSize/origSize*100)}%)`); } function encryptHtml(inputPath, outputPath) { const html = fs.readFileSync(inputPath, 'utf8'); const key = crypto.randomBytes(32); const iv = crypto.randomBytes(16); const cipher = crypto.createCipheriv('aes-256-cbc', key, iv); let encrypted = cipher.update(html, 'utf8', 'base64'); encrypted += cipher.final('base64'); const decoderJs = `(function(){var _k='${key.toString('base64')}';var _i='${iv.toString('base64')}';var _d='${encrypted}';function _b(s){var b=atob(s),a=new Uint8Array(b.length);for(var i=0;i`; fs.writeFileSync(outputPath, GAP + wrapper); const origSize = Buffer.byteLength(html); const obfSize = Buffer.byteLength(wrapper); console.log(` ${path.basename(inputPath)}: ${origSize} -> ${obfSize} bytes (${Math.round(obfSize/origSize*100)}%)`); } console.log('Encrypting server code...'); obfuscateFile('src/index.js', 'index.js', nodeConfig); console.log('Encrypting frontend JS...'); obfuscateFile('src/script.js', 'public/script.js', browserConfig); obfuscateFile('src/settings.js', 'public/settings.js', browserConfig); console.log('Encrypting HTML (AES-256 + obfuscation)...'); encryptHtml('src/index.html', 'public/index.html'); encryptHtml('src/settings.html', 'public/settings.html'); console.log('Encryption complete.');